We know nothing on what the ps4 will have in it. But there are already rumors that ps4 will do 4k games. I think this is bs unless they are running movies or maybe pac man you would need a monster gpu that would cost like 600$ just to run games at 4k.

sony tends to over blow the systems power remember 4d 1080p games at 120 fps?

I am not sure if devs lie or dont know what they are talking about. People saying wii u is weaker then ps3 and then another dev says it blows it away. I remember hearing ps4 will have 6670 which is not really even a gaming card. The guys behind unreal engine 4 says they have seen ps4 and next box and think they need more power.

Are you guys getting sick of all these spec rumors?

There is already a thread on this here.